public class Demo1 {
    private static Object lock1=new Object();
    private static Object lock2=new Object();
    public static void main(String[] args) {
        Thread t1=new Thread(()->{
           synchronized (lock1){
               System.out.println("线程t1对lock1加锁成功");
               try {
                   Thread.sleep(1000);
               } catch (InterruptedException e) {
                   e.printStackTrace();
               }
           }

           synchronized (lock2){
               System.out.println("线程t1对lock2加锁成功");
           }
        });
        Thread t2=new Thread(()->{
           synchronized (lock2){
               System.out.println("线程t2对lock2加锁成功");
               try {
                   Thread.sleep(1000);
               } catch (InterruptedException e) {
                   e.printStackTrace();
               }
           }
           synchronized (lock1){
               System.out.println("线程t2对lock1加锁成功");
           }
        });
        t1.start();
        t2.start();
    }
}
